Alternatives to Infineon Technologies IRF7821TRPBF
Infineon Technologies IRF7821TRPBF and its qualified second sources, compared on form/fit/function, stock, lifecycle and price — the same checks Parter runs inside a BOM.
 IRF7821TRPBFInfineon Technologies | IRF8714TRPBFInfineon Technologies |  SI4162DY-T1-GE3Vishay Siliconix | +3more | |
|---|---|---|---|---|
| FFF Compatibility | The pinout was explicitly verified via datasheet extraction and matches the standard SO-8 layout with pins 1-3 as Source, pin 4 as Gate, and pins 5-8 as Drain.Standard SO-8 package with matching physical dimensions and surface-mount footprint.Meets or exceeds all critical electrical specifications including a 30V breakdown voltage, higher current rating, and lower on-resistance. | The pinout is fully identical to the baseline SO-8 layout with Source on pins 1-3, Gate on pin 4, and Drain on pins 5-8.Standard SO-8 footprint with identical physical mounting dimensions.All key performance criteria meet or exceed the original part, making it highly suitable for power delivery designs. | ||
 AI Summary | IRF7821TRPBF by Infineon Technologies: N-Channel 30 V 13.6A (Ta) 2.5W (Ta) Surface Mount 8-SO. | This active component from the same manufacturer is an excellent upgrade, offering improved efficiency through lower on-resistance and gate charge in a fully pin-compatible package.
| An exceptionally strong alternative from Vishay, providing much higher current handling capability and lower on-resistance for cooler operation.
| |
| Lifecycle Status | Obsolete | Active | Active | |
| Market Availability | Discontinued | In stock | In stock | |
| REACH | REACH | REACH | REACH | |
| RoHS | RoHS | RoHS | RoHS | |
| Description | N-Channel 30 V 13.6A (Ta) 2.5W (Ta) Surface Mount 8-SO | N-Channel 30 V 14A (Ta) 2.5W (Ta) Surface Mount 8-SO | N-Channel 30 V 19.3A (Tc) 2.5W (Ta), 5W (Tc) Surface Mount 8-SOIC | |
| Manufacturer | Infineon Technologies | Infineon Technologies | Vishay Siliconix | |
| Type | Transistors | Transistors | Transistors | |
| Datasheet | Open | Open | Open | |
| Lead Time | 13 weeks | 28 weeks | 55 weeks | |
| Country of Origin | PH | - | - | |
| Export Control Class Number | EAR99 | EAR99 | EAR99 | |
| HTSUS Code | 8541.29.0055 | - | - | |
| Moisture Sensitivity Level | 1 (Unlimited) | - | - | |
| FET Type | N-Channel | - | - | |
| Vgs (Max) | ±20V | - | - | |
| Technology | MOSFET (Metal Oxide) | - | - | |
| Mounting Type | Surface Mount | - | - | |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | - | - | |
| Vgs(th) (Max) @ Id | 1V @ 250µA | - | - | |
| Operating Temperature | -55°C ~ 155°C (TJ) | - | - | |
| Rds On (Max) @ Id, Vgs | 9.1mOhm @ 13A, 10V | - | - |
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Related parts
| Part | Market availability | Lifecycle | Alternatives available |
|---|---|---|---|
 IRF7821PBFInfineon Technologies | Discontinued | Obsolete | 4Alternatives availableSee Alternatives |
| IRF7240TRPBFInfineon Technologies | In stock | Obsolete | 4Alternatives availableSee Alternatives |
 IRF7821TRPBFXTMA1Infineon Technologies | Non-stock | Obsolete | 4Alternatives availableSee Alternatives |
| IRF9310TRPBFInfineon Technologies | Non-stock | Obsolete | 4Alternatives availableSee Alternatives |
 IRF6674TR1PBFInfineon Technologies | Non-stock | Obsolete | 3Alternatives availableSee Alternatives |
 IRF5210SPBFInfineon Technologies | Non-stock | Obsolete | 4Alternatives availableSee Alternatives |
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Frequently asked questions
Yes. The Infineon Technologies IRF7821TRPBF is marked obsolete, so the manufacturer has discontinued it and any remaining supply is limited to distributor stock. The qualified second sources on this page are active parts you can design in today.
The closest qualified second sources for the Infineon Technologies IRF7821TRPBF are the IRF8714TRPBF (Infineon Technologies) and the SI4162DY-T1-GE3 (Vishay Siliconix), out of 5 matched alternatives in total. Each is compared against the original on fit, form and function in the table above.
Not always. The alternatives to the IRF7821TRPBF are matched on function but can differ in package, pinout or a key parameter, so review the fit/form/function notes in the table and the datasheet before designing one in.
The IRF7821TRPBF (Infineon Technologies) is a part in the Transistors category. This page lists qualified, cross-referenced replacements for it with a side-by-side comparison.
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